Trolley-frog approach



E. E. ROSE.

TROLLEY FROG APPROACH.

APPLICATION FILED MAR. 31| 1920.

A mvENToR wlTNEssEs: gdwardfT/f/jose.

QQMM, l BY 7ATTo'RNEY UNITED STATES PATENT. OFFICE.

EDWARD E. ROSE, OF EDGEWOOD PARK, PENNSYLVANIA, ASSIGNOR TO` WESTING-HOUSE ELECTRIC & MANUFACTURING COMPANY, A CORPORATION OF PENN- SYLVANIA.

TROLLEY-FROG APROACH.

specification ofreaers raient.

Patented Feb. 14, 1922.

Application filed March 31, 1920.` Serial 110,370,138.v

Trolley-Frog Approaches, ofwhich they following is a specification. n

My invention relates to trolley-conductor devices and particularly toapproach members for frogs, crossings and similar structures.

One object of my invention is to provide. a device of the aboveindicated character` thatk shall permit of the convenient assemblythereof from a position at the side ofa trolley conductonl v g n Anotherobject of my invention is to provide a trolley-frog approachimemberrandal wedge therefor that shall be s o formed and` related as toautomatically bend a trolley conductor during v the `operation ofattach` yingthe approach member to they frog.

Another object of my invention is to provide a trolley-conductor devicethat shall comprise a relatively-small number of parts,

which may be readily assembled on aconductor bythe use of only arelatively simple tool, such as a hammer.' f

, and similar devicey for. attachment to atrol- In a frog, crossing,sectionfbrealnsplice ley conductor, arenewable approach or arctakingmember therefor Vis 'desirable toprolong the life of the device andprevent interruptions to the service. 'This renewable member should bevvpermitted of mounting and dismounting in as .short a spacey of time,

and'with as .great-facility, as it -is possible to attain, consequently,nuts, bolts and other v loose parts that are difficult to manipulate andthat may f become rusted shouldbeavoided. Further, by reason oftheposition i of the conductor with respect to the attach ing parts andwith respect to overhead strucy tures, it is desirablethat the operatorbel perinitted as much freedoinof movement las possible. L

I-Ieretofore, it has been .usual employy wedges and clamps which have,4to the besty of'my knowledge, nearly all been operable at positionsabove the conductor. 3 This maybe convenient in a great manyinstallations butA frequently the manipulation of a wrench or hammer isinterfered `withiby the lack of headroom.

vsimilar to F ig. 1, showing the parts as k sembled, and Fig. 3 isa viewtaken along the line IIL-III of Fig. 2.

In general, myl device comprises a vfrog or similar member 1,.only aportion of which isshown, of substantially channel shape, for .thereception therein of a trolley conductor 2, .andan approach member 3that'functions to hold the conductor against the bottom of the channeland,v to take the arcs occasioned by passing trolleys.- i

rThe inner bottomsurface of the member 1 .is formed for a short distancefiomthe end thereof to lie in the direction of the conductor 2 and, at aportion 4c, isinclined upward-ly from the horizontal portion. Thisremovr-xs the curvature in the bent-conductor from-adjacent the-extremeendvof the frog 1 andfpermits the approach member 3 to be effectivelyfitted in position. 'l

' Luge 5, atv the ends of the upper edges of the frog 1 haveoppositely.disposedl transversely-extending rectangular openings 6 whichprovide relatively-large interior areas to effect good engaging surfaceco-operation with a wedge 7.

. The approach member 3 has depending sides 8 for gripping engagementwith the conductor 2 anda projection or tongue 9 for positioning inthechannel' of the fro 1 above they conductor 2. The under sur ace 10 ofthetongue 9is formed partially horizontal and'partially inclined in`order that it maysnugly iit the conductor throughout4its..=,longitudinal portion in the channel and for a portion` of itsinclined position therein. .The uppersurfaceof the tongue 9/isy inclinedyupwardly toward thelfrog body so that, when the wedge 7 is in operativeposition, `the tongue 9 is substantially interlocked with the frog 1 toV.prevent its withdrawal therefrom along the conductor 2.

'f jectinginto said ychanneland awedge co-operating With saidWedge-receiving means and saidtongue to bend a trolley 1conductor Inassembling the device, the parts are first placed together as shown inFig. 1. In this relation, the normally-straight conductor 2 does notconform to the irregular inner bottom surface of the frog and the tongue9 is, thereby, so positioned as to "partially obstruct the openings 6.The Wedge 7 is then placed in the openings 6 andA driven home withsu'fiicient force to bend the conductor 2 into conformity with thebottom of the channel. The engaging surfaces of the Wedge 7 the lugs 5and of the tongue 9 being of relatively great area and the parts beingheld together under relatively great binding forces, the conductor 2 andthe appreach member 3 are effectively secured in operative positions. V

The Wedge 7, being permittedl of insertion and Withdrawal in a directiontransverse to the conductor 2, greatly `facilitates the assembly anddisassembly of thedevice.`

While I have shovvn and described a particular form of my invention,changes may be effected therein Without departing from the lspirit andscope thereof, as set forth vin the appended claims.

I claim as my invention 1. A trolley-conductor device comprising a body'member of channel-shape for the receptionof a conductor, saidfbodymember having Wedge-receiving y,means extending transversely withrespect to said channel, an

approach memberA havin a tongue projecting into said channel, an a Wedgeco-operating lvvith said Wedge-receiving means. and said tongue to hold'the approach member 1n position.

- 2. A trolley-conductor devicecomprising a body member, an approachmember therefor, and a wedge member co-operating With both of saidmembers to bend a trolley nconductor into position onthe body member andto hold said approach memberin operative position. Y v- 3.`A`trolley-conductor device comprising a body member of channel-shape forthe reiception of a conductor, said body member having Wedgereceivingmeanspan approach -member having tongue proyec-ting into said channel=and aivedge `co-operating with `'said Wedge-receiving means andsaid'tongue .to bend a trol-ley' conductor into conformity with thechannel. and to hold said approach member in operative position.

` et. A `trolley-conductor device comprising `ra body member ofchannel-Shape'for the reiception of a conductor, said body member havingWedge-receiving l,meansextending transversely with res ectto"saidchannel,

anlappioach memberV 'aving a'tongueV prointo conformity with the channel'and t'o' hold edges of the channel, an approach member having a tongueprojecting into the channel to` a position between the lugs, and aytransverse'ivedge extending through the lugs and engaging the tongue tobend a trolley conductor into conformity with the said irregular'bottomsurface and to hold the approach member in position. i "Il Atrolley-conductor device comprising a body member of channel-shape forthereception of a conductor, said member having oppositely registeringapertures extending transversely lwith respect to the channel, an

approach member having a portion extending into the channel at one sideof'said apertures and a transverse Wedge member cooperating With thebody member in said apertures and with said approach member to holdthelatter'in position and to clamp a conductor against the body member;

8. A' trolleyconductor device comprising a body member `of channel-shapefor the recepti'on of a conductor, said rmember having la partiallyhorizontal and a partially inclined bottom surface,transversely-extendi-ngwedge-receiving means on `said member, anapproach memberhaving a portioniextending into the channel to a positionadj af` cent said Wedge-receiving"means, and a transverse Wedge memberco-operating with the wedge-receiving means andthe approach member tobend a' trolley conductor into conformity with said bottom surface andtok hold'ial'l of said members together.

V9. A' trolleyrcnductor device comprising 'a body memberofchannel-shapefer the reception of'a conductor 'at the bottom lof the channel, saidmember having upwardly and outiv'ardly#projectingl -trans'verely 'iVrecessed lugsfand a. partially horizontal and partially-inclined'bottominner surface, an approach member having a tongue' extending into the'channel above the conductor Tand below- `the lugs `and having its undersurface partially horizontal and partially'in-V clined, and' a`transverse wedgeV member cooperating with said lugs and the upper lsideo said tongue to hold the parts togetheiand to hold the "conductorV insecurely-clamped position.' 'i l' `10. Atrolleyfconductor devicecomprising a body memberhaving a Wedge-receiving portion, a renewableapproach member therefor and a Wedge member engaging both of saidmembers to hold'the approach member in position, said Wedge andsaid'approach member having co-operating surfaces inclined in twodirections by which the approach member is clamped against a conductorand prevented from longitudinal movement therealong.

1l. A trolley-conductor device comprising a body member having aWedge-receiving portion, a. renewable approach member therefor and aWedge member engaging both of said members to hold the approach memberin position, said Wedge and said approach member having co-operatingportions constructed and related to clamp the approach member inpositionand to prevent the longitudinal displacement thereof along theconductor.

12. A trolley-conductor device comprising a body member, an approachmember therefor and Wedging means for clamping the approach member inposition and preventing its Withdrawal from position.

13. A trolley-conductor device comprising a body member7 an approachmember therefor and Wedging means for clamping the approach member inposition and shaped to co-operate with the body member to preventWithdrawal of the approach member.

In testimony whereof, I have hereunto subscribed my name this 12th dayof March, 1920.

EDWARD E. ROSE.

